diff options
Diffstat (limited to 'activesupport/lib/active_support/number_helper')
9 files changed, 91 insertions, 51 deletions
diff --git a/activesupport/lib/active_support/number_helper/number_converter.rb b/activesupport/lib/active_support/number_helper/number_converter.rb index ce363287cf..06ba797a13 100644 --- a/activesupport/lib/active_support/number_helper/number_converter.rb +++ b/activesupport/lib/active_support/number_helper/number_converter.rb @@ -1,3 +1,5 @@ +# frozen_string_literal: true + require "active_support/core_ext/big_decimal/conversions" require "active_support/core_ext/object/blank" require "active_support/core_ext/hash/keys" diff --git a/activesupport/lib/active_support/number_helper/number_to_currency_converter.rb b/activesupport/lib/active_support/number_helper/number_to_currency_converter.rb index 0f9dce722f..3f037c73ed 100644 --- a/activesupport/lib/active_support/number_helper/number_to_currency_converter.rb +++ b/activesupport/lib/active_support/number_helper/number_to_currency_converter.rb @@ -1,3 +1,5 @@ +# frozen_string_literal: true + require "active_support/core_ext/numeric/inquiry" module ActiveSupport diff --git a/activesupport/lib/active_support/number_helper/number_to_delimited_converter.rb b/activesupport/lib/active_support/number_helper/number_to_delimited_converter.rb index e3b35531b1..d5b5706705 100644 --- a/activesupport/lib/active_support/number_helper/number_to_delimited_converter.rb +++ b/activesupport/lib/active_support/number_helper/number_to_delimited_converter.rb @@ -1,3 +1,5 @@ +# frozen_string_literal: true + module ActiveSupport module NumberHelper class NumberToDelimitedConverter < NumberConverter #:nodoc: diff --git a/activesupport/lib/active_support/number_helper/number_to_human_converter.rb b/activesupport/lib/active_support/number_helper/number_to_human_converter.rb index 56185ddf4b..03eb6671ec 100644 --- a/activesupport/lib/active_support/number_helper/number_to_human_converter.rb +++ b/activesupport/lib/active_support/number_helper/number_to_human_converter.rb @@ -1,3 +1,5 @@ +# frozen_string_literal: true + module ActiveSupport module NumberHelper class NumberToHumanConverter < NumberConverter # :nodoc: @@ -9,6 +11,7 @@ module ActiveSupport self.validate_float = true def convert # :nodoc: + @number = RoundingHelper.new(options).round(number) @number = Float(number) # for backwards compatibility with those that didn't add strip_insignificant_zeros to their locale files @@ -20,10 +23,7 @@ module ActiveSupport exponent = calculate_exponent(units) @number = number / (10**exponent) - until (rounded_number = NumberToRoundedConverter.convert(number, options)) != NumberToRoundedConverter.convert(1000, options) - @number = number / 1000.0 - exponent += 3 - end + rounded_number = NumberToRoundedConverter.convert(number, options) unit = determine_unit(units, exponent) format.gsub("%n".freeze, rounded_number).gsub("%u".freeze, unit).strip end diff --git a/activesupport/lib/active_support/number_helper/number_to_human_size_converter.rb b/activesupport/lib/active_support/number_helper/number_to_human_size_converter.rb index f263dbe9f8..842f2fc8df 100644 --- a/activesupport/lib/active_support/number_helper/number_to_human_size_converter.rb +++ b/activesupport/lib/active_support/number_helper/number_to_human_size_converter.rb @@ -1,3 +1,5 @@ +# frozen_string_literal: true + module ActiveSupport module NumberHelper class NumberToHumanSizeConverter < NumberConverter #:nodoc: diff --git a/activesupport/lib/active_support/number_helper/number_to_percentage_converter.rb b/activesupport/lib/active_support/number_helper/number_to_percentage_converter.rb index ac647ca9b7..4dcdad2e2c 100644 --- a/activesupport/lib/active_support/number_helper/number_to_percentage_converter.rb +++ b/activesupport/lib/active_support/number_helper/number_to_percentage_converter.rb @@ -1,3 +1,5 @@ +# frozen_string_literal: true + module ActiveSupport module NumberHelper class NumberToPercentageConverter < NumberConverter # :nodoc: diff --git a/activesupport/lib/active_support/number_helper/number_to_phone_converter.rb b/activesupport/lib/active_support/number_helper/number_to_phone_converter.rb index 1de9f50f34..96410f4995 100644 --- a/activesupport/lib/active_support/number_helper/number_to_phone_converter.rb +++ b/activesupport/lib/active_support/number_helper/number_to_phone_converter.rb @@ -1,8 +1,10 @@ +# frozen_string_literal: true + module ActiveSupport module NumberHelper class NumberToPhoneConverter < NumberConverter #:nodoc: def convert - str = country_code(opts[:country_code]) + str = country_code(opts[:country_code]).dup str << convert_to_phone_number(number.to_s.strip) str << phone_ext(opts[:extension]) end diff --git a/activesupport/lib/active_support/number_helper/number_to_rounded_converter.rb b/activesupport/lib/active_support/number_helper/number_to_rounded_converter.rb index 1f013990ea..eb528a0583 100644 --- a/activesupport/lib/active_support/number_helper/number_to_rounded_converter.rb +++ b/activesupport/lib/active_support/number_helper/number_to_rounded_converter.rb @@ -1,3 +1,5 @@ +# frozen_string_literal: true + module ActiveSupport module NumberHelper class NumberToRoundedConverter < NumberConverter # :nodoc: @@ -5,26 +7,14 @@ module ActiveSupport self.validate_float = true def convert - precision = options.delete :precision + helper = RoundingHelper.new(options) + rounded_number = helper.round(number) - if precision - case number - when Float, String - @number = BigDecimal(number.to_s) - when Rational - @number = BigDecimal(number, digit_count(number.to_i) + precision) - else - @number = number.to_d - end - - if options.delete(:significant) && precision > 0 - digits, rounded_number = digits_and_rounded_number(precision) + if precision = options[:precision] + if options[:significant] && precision > 0 + digits = helper.digit_count(rounded_number) precision -= digits precision = 0 if precision < 0 # don't let it be negative - else - rounded_number = number.round(precision) - rounded_number = rounded_number.to_i if precision == 0 && rounded_number.finite? - rounded_number = rounded_number.abs if rounded_number.zero? # prevent showing negative zeros end formatted_string = @@ -38,7 +28,7 @@ module ActiveSupport "%00.#{precision}f" % rounded_number end else - formatted_string = number + formatted_string = rounded_number end delimited_number = NumberToDelimitedConverter.convert(formatted_string, options) @@ -47,26 +37,6 @@ module ActiveSupport private - def digits_and_rounded_number(precision) - if zero? - [1, 0] - else - digits = digit_count(number) - multiplier = 10**(digits - precision) - rounded_number = calculate_rounded_number(multiplier) - digits = digit_count(rounded_number) # After rounding, the number of digits may have changed - [digits, rounded_number] - end - end - - def calculate_rounded_number(multiplier) - (number / BigDecimal.new(multiplier.to_f.to_s)).round * multiplier - end - - def digit_count(number) - number.zero? ? 1 : (Math.log10(absolute_number(number)) + 1).floor - end - def strip_insignificant_zeros options[:strip_insignificant_zeros] end @@ -79,14 +49,6 @@ module ActiveSupport number end end - - def absolute_number(number) - number.respond_to?(:abs) ? number.abs : number.to_d.abs - end - - def zero? - number.respond_to?(:zero?) ? number.zero? : number.to_d.zero? - end end end end diff --git a/activesupport/lib/active_support/number_helper/rounding_helper.rb b/activesupport/lib/active_support/number_helper/rounding_helper.rb new file mode 100644 index 0000000000..2ad8d49c4e --- /dev/null +++ b/activesupport/lib/active_support/number_helper/rounding_helper.rb @@ -0,0 +1,66 @@ +# frozen_string_literal: true + +module ActiveSupport + module NumberHelper + class RoundingHelper # :nodoc: + attr_reader :options + + def initialize(options) + @options = options + end + + def round(number) + return number unless precision + number = convert_to_decimal(number) + if significant && precision > 0 + round_significant(number) + else + round_without_significant(number) + end + end + + def digit_count(number) + return 1 if number.zero? + (Math.log10(absolute_number(number)) + 1).floor + end + + private + def round_without_significant(number) + number = number.round(precision) + number = number.to_i if precision == 0 && number.finite? + number = number.abs if number.zero? # prevent showing negative zeros + number + end + + def round_significant(number) + return 0 if number.zero? + digits = digit_count(number) + multiplier = 10**(digits - precision) + (number / BigDecimal(multiplier.to_f.to_s)).round * multiplier + end + + def convert_to_decimal(number) + case number + when Float, String + BigDecimal(number.to_s) + when Rational + BigDecimal(number, digit_count(number.to_i) + precision) + else + number.to_d + end + end + + def precision + options[:precision] + end + + def significant + options[:significant] + end + + def absolute_number(number) + number.respond_to?(:abs) ? number.abs : number.to_d.abs + end + end + end +end |